I just want to know if I5-6600k can support ddr4 2400Mhz Cas12 @1.35v or if i should go with one at 2133Mhz Cas14 @1.2v since on their site it says it supports 1866/2133Mhz pre-overclocked but from what i've seen isnt the one at 1.35v already overclocked? so does the I5-6600k support that stick?